25508847

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 44706816

約数和(自身を除く): 19197969

約数列:

[1, 3, 7, 13, 21, 39, 41, 43, 53, 91, 123, 129, 159, 273, 287, 301, 371, 533, 559, 689, 861, 903, 1113, 1599, 1677, 1763, 2067, 2173, 2279, 3731, 3913, 4823, 5289, 6519, 6837, 11193, 11739, 12341, 14469, 15211, 15953, 22919, 28249, 29627, 37023, 45633, 47859, 68757, 84747, 88881, 93439, 160433, 197743, 207389, 280317, 481299, 593229, 622167, 654073, 1214707, 1962219, 3644121, 8502949, 25508847]

約数ペア:

[(1, 25508847), (3, 8502949), (7, 3644121), (13, 1962219), (21, 1214707), (39, 654073), (41, 622167), (43, 593229), (53, 481299), (91, 280317), (123, 207389), (129, 197743), (159, 160433), (273, 93439), (287, 88881), (301, 84747), (371, 68757), (533, 47859), (559, 45633), (689, 37023), (861, 29627), (903, 28249), (1113, 22919), (1599, 15953), (1677, 15211), (1763, 14469), (2067, 12341), (2173, 11739), (2279, 11193), (3731, 6837), (3913, 6519), (4823, 5289)]